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Read 23 Guardian Digital reviews and testimonials from customers, explore 18 case studies and customer success stories, and watch customer videos to see why companies chose Guardian Digital as their Email Security Software

Guardian Digital builds enterprise email solutions with an intense focus on security and unrivaled customer support, designed to ease information technology overhead for its customers. Guardian Digital has created a security-as-a-service email protection model that blocks the most sophisticated threats to privacy and data integrity in your organization today.

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Customer Rating Review Scorebased on 1624 reference ratings
4.8/5.0 (1624)
  • Top Performer 2025 2025
    Fall 2025Top PerformerEmail Security Software
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23Testimonials

  • "Guardian Digital has become a valued partner of Commerce Bank due to their depth of security and continued dedication in assisting us to protect our business critical communications."

    Jill BrungardtInformation Security Consultant
22 more testimonialscurrently locked

18 Case Studies

  • Jersey Shore Federal Credit Union Defends against Attacks & Breaches in Microsoft 365 with Proactive Supplementary Email Protection

    Robert WilliamsInformation Systems Manager
17 more case studiescurrently locked

Additional Guardian Digital Information & Resources

Read Guardian Digital Reviews, Testimonials & Customer References from 23 real Guardian Digital customers.

Browse Guardian Digital Case Studies, Customer Success Stories, & Customer References from 18 businesses that use Guardian Digital.

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